Water closet bowl with suction apparatus

ABSTRACT

This invention relates to a sanitary device comprising a body with a pierced carrier ( 11 ) defining a channel ( 11   a ) for a distribution of a flush water, and a trap ( 12 ) terminating in a soil pipe ( 12′ ) as in water closet bowl. The body of the sanitary device is integrally formed with at least one suction conduit ( 13 ), having various holes opening inwards said device body and connectable to at least one suction apparatus for internal airing of the device body and the removal of bad smells from the body. The suction apparatus is reversible in order to create a jet towards the interior of the body of the device.

FIELD OF THE INVENTION

[0001] This invention concerns the filed of sanitary equipment andrefers in particular to a water closet bowl with an apparatus foreliminating unpleasant odours.

STATE OF THE ART

[0002] Water closet bowls have already been proposed, eitherincorporating or connected to a suction apparatus that is intended toair and eliminate the bad smells that form within them. In one knownmodel, this apparatus is connected, at the inlet, to a suction openingthat opens above the rim of the bowl and, at the discharge, to the soilpipe of the water from the bowl itself. However, the efficiency of thisdevice is limited by the fact that the suction tube does not draw thefoul air directly from the basin of the toilet bowl, but from above.

[0003] In another known embodiment, the suction apparatus communicateswith a suction chamber that rests upon the rim of the toilet bowl, orwhich is formed in part of a bowl lid, and conveys the foul air directlyto the outside or towards an activated carbon filter. The suctionapparatus is, therefore, only applicable to bowls equipped with anadditional suction chamber, located above the body of the toilet bowl.At present, there do not exist water closet bowls designed in such a wayas to release hygienic, deodorising or biodegrading substances.

OBJECTS AND SUMMARY OF THE INVENTION

[0004] An object of this invention is to provide a water closet bowlwith an efficient suction apparatus, which draws the air directly fromthe basin of the sanitary bowl, without resorting to other elements madeseparately and then added.

[0005] Another object of the invention is to make a water closet bowl inceramic or other defining material, incorporating within itself achannel for a discharge of the flush water and, at least one conduit foraspiration of the air within the bowl basin.

[0006] A further object of the invention is to provide a toilet bowlwith one, two or more conduits that can be used selectively to introducevarious substances into the bowl itself.

[0007] These objects are achieved by means of a toilet bowl in which asuction conduit is formed directly within the body of ceramic or othermaterial of the said toiled bowl, either above, below or concentricallywith a water distribution channel, and wherein said conduit has holesthat open inwardly and which is connected to an air suction apparatus.

BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Further details of the invention will become clearer in thedescription below, where reference is made to the enclosed drawings,which are indicative but not binding, and where:

[0009]FIG. 1 is a vertical cross-section of a water closet bowl havingsuction conduit leading to a suction unit located at a distance;

[0010]FIG. 2 is a similar cross-section of a water closet bowl, with asuction apparatus incorporated.

DETAILED DESCRIPTION OF THE INVENTION

[0011] In the drawings a body 10 of a toilet bowl is shown usually madein ceramic, but which may also be made of plastic or metal. In the upperpart of its basin, the bowl 10 has a carrier 11, which defines a channel1 a. This channel 1 a is connected in a way already known to a box 11′for releasing the flush water, and has holes 11 b for discharging theflush water into the bowl itself. Lower down, the bowl has a trap 12,which is connected to the soil pipe 12′.

[0012] At the same level as the carrier 11 defining the channel 11 a forthe water distribution, the toilet bowl 10 is equipped with at least asecond conduit 13. This may be completely, integrally formed within thecarrier 11, as shown in the drawings, or may consist of an additionaltube that is inserted into said carrier. In either case, the conduit 13may be located above, below or concentrically outside or inside thechannel 11 a, and it has holes or openings 13′ that open inwards to thebowl. This conduit 13 is connectable to at least one suction unit, forthe aspiration of the air within the basin of the bowl, see arrow F.

[0013] In FIG. 1, the suction unit is not shown. It may be located at adistance from the toilet bowl 10, to which it is connected by means ofan appropriate tube 14, which communicates with the air suction conduit13. This arrangement is particularly suitable for expelling the foul airin the external environment.

[0014] Alternatively, FIG. 2, a suction unit 15 may be associated withthe body of the toilet bowl, in air-operated communication at one endwith the suction conduit 13 and, at the other, by means of a passage 16,with the soil pipe 12′, in order to convey the aspirated air in thedirection shown by the arrow F′. The passage 16 that communicates withthe soil pipe 12′ will therefore be equipped with a non-return valve 17,in order to prevent the reflux of foul air from the soil pipe when thedevice is not in operation.

[0015] The suction unit may be operated by its own switch, or by thelight switch or by a micro switch which is connected to a normal toiletlid or seat.

[0016] Thus, the flush water is distributed through the channel 11 a,and the air is aspirated from inside the toilet bowl via the conduit 13.However, via the water distribution channel 11 a or through the suctiontube 13, there may also be supplied another product, such as a hygienicsubstance, a detergent, a deodorant or a biodegradable material.

[0017] These substances may be liquids, powders or contained in solubleballs or capsules, and may be placed in a container that is connected tothe toilet bowl, for use when needed. These substances will be releasedat different moments from the water flush and/or the suction, beingfacilitated if the suction process is inverted so as to give a directjet into the bowl itself.

[0018] Within the channel 11 a or the conduit 13, there may also behoused an ionisation system, again with the purpose of freshening theair.

[0019] The above-described embodiment may be modified and varied withoutaltering the scope of the invention. In fact, the suction system may besimilarly applicable to other sanitary devices that have at least onedistribution channel for the water, as for example a bidet, or in thosedevices in which a toilet bowl and bidet are incorporated into a singleunit.

1. A sanitary device comprising a body with a pierced carrier (11)defining a channel (11 a) for a distribution of a flush water, and atrap (12) terminating in a soil pipe (12′), characterised in that atleast one suction conduit (13) is provided, having various holes openinginwards said body of the sanitary device and connectable to at least onesuction apparatus for internal airing and the removal of bad smells fromsaid body, the suction apparatus being reversible in order to create ajet towards the interior of the device body.
 2. The sanitary deviceaccording to claim 1, wherein the air suction conduit (13) is integrallyformed in the body of the sanitary device above the channel for thewater distribution.
 3. The sanitary device according to claim 1, whereinthe air suction conduit (13) is integrally formed in the body below thechannel for the water distribution.
 4. The sanitary device according toclaim 1, wherein the air suction conduit (13) is formed integrally inthe body concentrically to the channel for the water distribution. 5.The sanitary device according to claim 1, wherein said suction conduit(13) consists of a tubular element, located in the body, either insideor outside the channel for the water distribution.
 6. The sanitarydevice according to any of the claims 1-5, wherein the suction apparatusis connected to the suction conduit (13) and is located at a distancefrom the bowl.
 7. The sanitary device according to any of the claims1-5, wherein the suction apparatus is connected, at the inlet, to theair suction conduit and, at the discharge, to the soil pipe, through anon-return valve (17).
 8. The sanitary device according to any of theabove claims, wherein the pierced carrier (11) defining the channel (11a) for the water distribution is connected to a system for distributinghygienic substances, detergent, deodorant or biodegradable material. 9.The sanitary device according to any of the above claims, wherein thesuction conduit (13) is connected to a distribution system for ahygienic substance, detergent, deodorant or biodegradable material. 10.The sanitary device according to any of the above claims, wherein thecarrier (11) defining the channel for the water distribution or thesuction conduit is connected to an ionisation system.